what are clinical trials and why do they take so long? - My Rambling Thoughts
First in Human: Covid-19 Vaccines & Tales of Phase 1 Clinical Trials Past - Absolutely Maybe
Clinical Trial FAQs - NephCure Kidney International ®
HIVinfo.NIH.gov Twitterren: "Phase 1 clinical trials are the first step in testing an experimental drug or other treatment in humans. A Phase 1 clinical trial only has around 20 to 80 participants.